Automatic rolling dump



E. RAMS-AY.

AUTOMATIC ROLLING DUMP.

APPLlcATIoM FILED FEB, 17,1921.

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INVNTOR l -Ev5kine Roaman@ ATTORNEY L II E. RAMSAY. AUTOMATIC ROLLING DUMP.

APPLICATION. man FEB.17,192|.

Patented Aue. 8, )1922.

5 SHEETS-SHEET( E. IIAII/ISAY.

AUTOMATIC ROLLING DUMP. APPLICATION FILED F5311?. 192|.

IPzItnte Aug, 8, 1922.

INVENTOR fk5/NE Ysm/ ATTORNEY E. RAMSY.

AUTOMATIC ROLLING DUMP.

APPLICATION FILED FEB, 17. 1921.

5 SHEETS-SHEET 4.

INVENTOR EI-Skir-Ie Fcxmsaui ATTORNEY lEy IIAII/ISIY.

AUTOMATIC ROLLING QUT/1P.

y APPLICATION FILED FEEL IZ, I92I. )I 9425?@5 l Patented Aug 89 1922i.

5 SHEETS-SHEET 5.

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Application 'filed February l?, 1921.

To @ZZ whom t may concern lie it known that l, citizen ot the United s sidin" at Birmingham.. in the courrir ot l,

f1 1c. n i JA )r11 Aim s pww leisen ant .ctate or riiaoauia, ..c invented certain neav and useful Veineiits in Automatic Rolling` Dumps, o hich he tol-- lowing is a specication.

rhis invention relatesl 'to ro 'y dumps et the rolling type wherein it is proposed to automatic gravity operaL ln its simplest form, my templates bringing` the dnnip 'unev ot gravity either by having; the dump taining the mine car unbannced. or, n: the dump is balanced. by si' iortin,` Y.; an inclined traclg/or utilizing' ples in combination. By t means, the power oil' gravity male able to start the dump from .i tion and te rotate it sutlicientl contents ot the car therein. ot the dump this may be accomplis by the reverse inclinrfxtion oil the by the reversely unbalanced continil the inverted dun'ip with the enigiity in, or by a syn'ing butler to al" the duinp back, or by the conibiimtion ot one or more or all olf these af cies` design these rolling dumps as to cbt My invention further contenu?!ates the lx i. "i x rl x/,vnx'jm bi fihi obtaining or the `Luniping operanon y .ne various agencies above described Where double tracks are used, the dumps be'. caused to roll in opposite directions, or, .i may utilize the principles ot revers-ely inclined dunip tracks with connectie-.fi between the dumps so that they will roll alternati in opposite directions, or l may provide r a single track With a 'tilting platform Whicl will enable the dumpt be rolled and dump i to either side desired and returned. to ini position on the platform by any o t the a cies above mentioned, or lnally may lize a horizontal traclr toi' a rolling dump so Serial No. 445,646.

unbalanced that it will act both to stop and start itself.

My invention further contemplates the provision et an automatic latching` means to arrest and hold the dump in initial or ear transferring position against the action ot gravity or other torce tending` to roll the dump into dumpin' position.

lt is to be understood that the dump may be ot any capacity and that, eccolo nc the car handling` mechanism and couplings ot the cars, it may handle them one at time or in groups ot' any desired number o cars Which may remain coupled in the dump.

As illustrative oi the preferred cinbodiments ot' my invention, reference is n the accompanying` drawings, in which Fig. l shows in plan view a shalft tipple with suitable rams 'toi' transferring the cars between the mine cages and the dinnps.

Fig. 2 is a side elevation ot Fig. l, and

Fig. 3 is an end elevation ot l? l the transfer rams omitted.

Fics 4l and 5 are end and plan views or itin a inocdilied type of rolling,` dump utilizi a balanced dump on a sloping tracy.; ha reversely inclined ends.

Fig. 6 illustrates a dump similar to Fig. a, except that the tracl; Way between the reversely inclined ends is level.

Fig. illustrates a double traclr dumpinf; arrangement in which the dumps are connected for oint movement.

llipg. 8 illustrates a single track dump vwith a tilting' platform adapted to maire the dump roll to either side desired.

Fig. 9 shows a single track (lmnp unbalanced with a straight inclined trac;V and cross connected spring stops. y

Figs. l0 and il. are end and side -views, respectively, olf a dump unbalanced by the tilting ot the car tracks 'therein to one side.

Fig. l2 shows a duinp unbalanced by Weights and operated thereby on a horizontal track.

Similar reference numerals refer to lar parts throughout the drawings.

ils illustrated in Figs. l to 3, l show shaft licisting cages l which are adapted to handle the mine cars 2 and at each end ot each caire on the tripple 3 is mounted a rollingv dump. Each dump is made up oit a cage having end 'l' and provided Wit-h track supports d onto which the Wheels 9 ot the mine cars 2 are adapted to be run from the track sect-ions 10 on the cages. The dump supports carry track sections 11 which will align with the 'lage tracks 10 when the dump is in car rcceiving position. l. show these dumps arranged in a pair at. opposite ends ot each cage and l show a suitable ram 12 -lor each Also this upright member 13 carries a `dat springv16 tor each dump which acts a butler and which' is held under compression while the dump is latched in initial position with its weight so distributed as to uubalance it. The tracks 17 lor each dump to roll on comprise a. horizontal portion terminating at its end remote 'from the trame member 18 with an upwardly curved track section 1S which terminates adjacent to a frame member 19 carrying a butler spring,l 20. Uponreleasing its respective latch 1st a dump will be initially started by its unbalanced condition and by the power stored up in its spring- 16 and as it turns with the loaded car therein it will be more and more unbalanced, because the center oft gravityot 'the dump when' loaded is above the dump center, thus gathering momentum while traversing,v the horizontal section olf the track.

As the dump completes its halt rotation it rides up the incline 18 until its :dat 'ta-ce i3 strikes the buffer20. This, in conjunction with the action ot gravity, brings the dump to rest at a higher level than its initial position, and both the springv butler and gravity act on the reversely unbalanced dumpv to start the dump back to initial position when its 'face 6 will strike and compress the butler spring,- 1G and latch itselt :uitofl fri l he matically by means olA the `latch 1-1. center ot' gravity ot the inverted vempty tar and dump beinl above the center oi' the dump as the latter starts to roll back it becomes unbalanced in the direction ot its return travel. To prevent possibility o slippage of the dump on its tracks, ther 'tracks 17 are prefer ably" provided with eqi'lidistantly spaced teeth ror points 21 which engage in equidistantly spaced sockets 22 in the dump rings. lt desired each dump may be provided with a chute 23 oi. such size and so disposed relatively to the top ot the loaded car that it will receive the coal as it commences to fall from the car and will hold it to the desired extent kand for the desired time to make use ot the coal in 'further unlmlancing` clined track 27 it becomes overbalancef' the dump, with the result that the coal has a shorter distance to tall with less breakage and the dump has more momentum impart1 ed to it so as to insure its effective operation.

Referringy to 'the dumping mechanism' illustrated in Figs. 4l and 5, l show a dump formed by annular end rings 2esuitably cross connected by plates 25 and provided with. holddowns 26 for the car 2 therein which is shown disposed in the center of the dump and inl such position as to have the dumpcenter or gravity when loaded abov the center oi' the dump and when unloaded below the'center of the dump. nEhe rings are provided with the holes 22 in which the pins 21 on a track 27 engage, this track being provided with an upwardly curved end 28 upon vwhich the cage is adapted to rest and to be held by an automatic dog 29 in its initial position. rl`he track slopes gracht ally upwardly to the right and it desired its other end 3() may be curved' upwardly the trackbeing supported on suitably shaped bed blocks 31 mounted on tipple timbers The'aut-omatic dog 29 'tast on a shirt"` extending through the tipple timbers 32 and the lower end of the dog,l` is provided withan adjustable counter-weight 311 which swings, it normally upwardly into engagement with a stop pin rlhe shalt 32, upon which the seqeral dogs 29 are made fast'in any suitable manner, turns with the dogg spense t with a oi the can be handle 36 disposed beyond -the pathy dump by means of which the shalt turned to release the .dump and to permit it to commence its rolling motion. is the dogs are tripped, the cage being su pported on-the sharply inclined track 2d, will be unbalanced and will at once commence to roll down the track and in doing so the dump becomes further unbalanred in that' direction `and is given a'considerable inomentum which inverts the car and carries the dump to a higherplevel up the inclined track 27 or the curved end E() thereol` where it gradually comes to rest. or is stopped' by springbulli'ersl 30 with the center ot gravity o'lfvthe empty dump above its center.` .Its the dump commences to roll. back down the inn l to the lelt and gra-ins .therefrom siulicientmomentum to cause it to roll tar enoughv up the curve 28 to permit the gravit-y dogs 29,v which were depressedI by the dump as it rolled over them, to shi'lit into position 'in line with a radius ot the dump sol that they will engage and hold the dump in its initial or car receivingposition, whereupon the empty car can be removed and another loaded car introduced in the dump and the operation repeated without the employment ot any mechanical power.

In Fig. 7 l show a two track dumping ar-` rangement comprising a dumping Vcage 37 to the weights 34 and is. provided n for one track and a dumping cage 38 for the other track, which dumps are connected by an endless chain, rope or cable 39 adapted to Wind onto one drum as it is unrvound from the other. The lines 40 and 41 indicate the level et the reversely and doivnwardly sloping tracks for the dumps l? and 38, respectively, and ter each dump ll pro vide an automatic deg 29. At the lower ends ot' each track provide a suitable stop 42.

The operation of this arrangement is as iollovvs. Assuming the loaded car is inthe dump 88 in position C and that the inverted empty car is in the dump 37 in position A, upon tripping` the dog for the dump 38, the inclination of the track 41 Will cause the latter dump to roll to the right and by the connection 39 Will pull the dump 87 with the empty car back up its respective track to position B, and in doing so will oppose the inertia ot the dump 37 to the action ot gravity onthe dump 38 so that the tivo dumps Will act effectively together. The dump 38 in position D having dumped the car therein, the empty car is removed from the dump 37 in position B and a loaded car replaced, whereupon the@ dog holding the dump 37 in position B is released and the dump 38 is restored to car receiving position C While the car inthe dump 37 is dumped in position A. A s; ring buffer 30a, such as shown in 3, is applied to the stop posts 42. e. timber 42n in center between the tracks is provided With buffer springs to arrest the dumps in positions B and C.

ln Fig. 9 l show a single track comprising` a dump 43 in which the center oi2 car 2 is oiset to the right of the dump center so as to imbalance the dump to the right. The dump rolls on any inclined track 44 and is shown held in engagement with a sprino' stop 45 by means ot an auto'n matic dog 29. vrl`his spring` stop 45 is cress connected overhead by a vbar or flexible connection 46 to a similar spring stop 45a at the upper end of the track. ln the position shown the stop 45 is under tension which in turn has been transmitted to the step by connection 46, and beth would thereiore thrust the car to the right as soonL as it is released by the dog 29. Upon releasing the dog the action of the snings assisted by the unbalanced condition of the dump Will cause it to roll to the right up the inclined track until the car is inverted, which takes place at the time it strikes the other stop 45a'. lVith the car inverted the dump is unbalanced to the lett. The action et the spring stops 45 and 45 and the unbalanced condition of the dinnp will start the dump rolling back down the track to the left and it will roll back ever the .deg 29 and against the spring 45 and vwill be breught to rest thereby after the dog has dump automatically assumed position to engage and hold it in initial position.

ln Fig. 8 l show a single track dump adapted to roll to either ide for the better distribution of the material into a bin or receptacle below. ln this arrangement a dump 47 has a car in balanced position therein and the dump in initial position rests upon the tilting platform 48 journaled on a center bearing 49 and ad ap'ted to be rccked to either side by the air, hydraulic or steam cylinders 50 under control of the reversing valve 5l. As shown, this platform carrying the intermediate track section is inclined to the left and the lett hand dog 2S) is holding the dump on the inclined track. Upon tripping this dog the dump Will roll to the lett and along the track 52 and up the inclined end 53 oi"I this track Where it will come to rest at a level higher than itsv and introducing another loaded car, by rcversing valve 5l the platform 48 can be shifted to dotted position and by tripping the right hand dog 29 the dump will roll to the right dovvn and up on track 52DN and be dumped with the same operation, and on returning Will be held in initial posiion by the right hand dog 29.

ln F 6 l show a dumpingmechanism comprising a dump 54 in Which the car is disposed in balanced position in the dump with the center oi gravity ot' the loaded dump above the center oit' the dump. ln initial position the cage is held on the upwardly curved end 550i" the track 56 by the dog 29. Upon releasing` the dog the dump rells across a horizontal intermediate portion of the track and up the reversely curved end 57 of the track when the center ot lgravity of the empty dump being above the center of the dump will co-operate with the inclined end 57 ot the track Ate impart the requisite inon'ientum to the dump to cause it to rnn back past the dog 29 and be hitched in its initial position. rlhis arrangement differs from Fig. 4 in that the track is level throughout its intermediate portion.

ln Figs. l0 and li the car is disposed on center in the dump but the tracks 58 as they apprcach and leave the dump are tilted to one side so that the car rests in the dump on track sections 59 disposed to tilt it to one side which imbalances it in that direction, due to the 'fact that the center of gravity of the duino and leaded. car is above the dump cen ter. rlhe track G0 on Which the dump rolls is level under the dumps initial position and llO slopes upwardly therefrom so that when-dog Q9 is tripped the dumpwill roll back until arrested by the bumper post 61 and held there by dog 29.

ln Fig. l2 l show the dump with the car on center' and a pair ot counterweights 62 preferably inthertorm ot hollow cylinders the dumps center of grav-ity then beings' above the dumpcenter, audits-weights unbalancing it to the left it will rollin that direction until arrested by the` spring` butler G5 onpost 66 and heldf there by the dog 29.

- i ln all'the various. arrangements describedV the rolling` motion. isimparted` tothe dump without the utilization ot! power, thus enablmg,` me to .obtain anautomatic operation-oi the unlatcheddump and to erect and operate the dumps at a greatly reduced costby reason of the-absence of anypower mechanism. It is desirable that a positive engagement between dump rings fand. their tracks by useot pins 2l? and sockets 22 shouldbepreserved throughoutto prevent the possibility of slippage, causing the dump to present its tracks out ot alignment with the tipple tracks ywhen inits car receiving` position. Obviously the mechanicall construction of the dumpor the latch.y means employed tor holding itin initial positionA may be .widely varied.

The-variousmodifications oi my invention utilize one or more ot the followingv means to cause the dump to rollback and forth on its supporting' tracks, viz

1. An inclined track. for. supporting the dump.

2 An ott center car in` dump.`

3. Energy stored in a spring buffer.

4. Counterweights on the'dump.

5. A tilted car track in dump.

lilyinvention contemplates the utilization ot any one or more, or all ot said agencies to produce the rolling,` movement oi the dump in either or both directions. Moreover, the center ot `gravity of the loaded or inverted.v empty dump need not be above its center but when it is the shitting' center of gravity as the dump: rolls will imbalance it so as to i co-act with said agencies tov roll the dump on its tracks.

ltlavingy thus. described my invention, what l claim. as new and-desire to secure by Letters Patent, is

1. The combination with a dump having means tov receive andf hold a car to be dumped, ot a track on which the dump is adapted to roll laterally'to dump the car,

means to hold the dumpin. initial position onsaid track, and meansresponsive tofgravity for causing the dump when released to rollito one side on track to dump the car and` automaticallyreturn to initial position.

2. Theicombination with a dump having means to receive and holda car to be dumped, oi' a track on which the dump is adapted to roll laterally todump the car, means to "hold the dump in initial position on said track comprising va springl butler which opposes a releasable latch, and means responsive to gravity for causingthe dump when releasedto roll to one side on its track toA dump the lcar and automatically. return to initial position.

3. ik lumping mechanism as described in claim l, in which the center ot gravity ot the dump and loaded car and ot theinverted dump and empty car is above the center-oit the dump.

its

d. A dumping mechanism in, accordance l with claim l, irl-which the center of 'ty of the dump with a loaded car therein is so disposed relatively to a vertical plane through the point ot Contactv oi' the dump track as to imbalance it in thc direction in which it is intended to roll on said track.

5. The combination with arolling dump, or means to receive and hold: a loaded car vtherein. a dump supporting track haringen part horizontal and in part inclined upwardly towards `the dumping end oit the track. f

8. A dumping mechanism in accordance with claim l, inwhich said means tor returning the cage to initial position comprises a spring stop. l

9. A dumping mechanism in accordance with claim l, in which saidA means lor 1e tilrning the cage to initial position comprises a springI butler andan inclined track portion.

l0. ln combination, a rolling` dump, a

vtrack on which the dump is adapted to roll laterally, a latch to hold the dump in. initial position, means 'to stop the dump when it tends to roll back past its initial position, which `means is adapted to be opposed by the 'latch which holds the dump in initial car transferring position, and meansat the tar endy of said track to assist in returning the dump ronidumping to initial position.

li. ln combination, arolling, dump adapted to reeeive and hold a car, a track portion upon which the dump is adapted to roll laterally, automatic: ineens to start the dunno rolling on said track to invert a ear therein, means effective at the end ot the lateral dumping movement to reverse it, and an automatic latch to hold the dump with a loaded ear therein in initial position against the action of said automatic means.

l2. A dninp mechanism in accordance with claim l, in which the gravity means to start the loaded dump on its rolling movement is supplemented by the energy stored in a spring buer adapted to arrest the return movement of the unloaded dump.

In testimony whereof aiiix my signature.

ERSKNE RAMSAY.

fitness NOMIE VVELsH. 

